EP0422443A3 - Multiplexer and demultiplexer, especially for information transmission networks with a synchronous hierarchy of digital signals - Google Patents

Multiplexer and demultiplexer, especially for information transmission networks with a synchronous hierarchy of digital signals Download PDF

Info

Publication number
EP0422443A3
EP0422443A3 EP19900118382 EP90118382A EP0422443A3 EP 0422443 A3 EP0422443 A3 EP 0422443A3 EP 19900118382 EP19900118382 EP 19900118382 EP 90118382 A EP90118382 A EP 90118382A EP 0422443 A3 EP0422443 A3 EP 0422443A3
Authority
EP
European Patent Office
Prior art keywords
demultiplexer
multiplexer
information transmission
digital signals
transmission networks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900118382
Other languages
German (de)
Other versions
EP0422443A2 (en
EP0422443B1 (en
Inventor
Heinz Wettengel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Deutschland AG
Alcatel Lucent NV
Original Assignee
Standard Elektrik Lorenz AG
Alcatel NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Elektrik Lorenz AG, Alcatel NV filed Critical Standard Elektrik Lorenz AG
Publication of EP0422443A2 publication Critical patent/EP0422443A2/en
Publication of EP0422443A3 publication Critical patent/EP0422443A3/en
Application granted granted Critical
Publication of EP0422443B1 publication Critical patent/EP0422443B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
    • H04J3/076—Bit and byte stuffing, e.g. SDH/PDH desynchronisers, bit-leaking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
EP90118382A 1989-10-13 1990-09-25 Multiplexer and demultiplexer, especially for information transmission networks with a synchronous hierarchy of digital signals Expired - Lifetime EP0422443B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3934248A DE3934248A1 (en) 1989-10-13 1989-10-13 MULTIPLEXER AND DEMULTIPLEXER, ESPECIALLY FOR MESSAGE TRANSMISSION NETWORKS WITH A SYNCHRONOUS HIERARCHY OF DIGITAL SIGNALS
DE3934248 1989-10-13

Publications (3)

Publication Number Publication Date
EP0422443A2 EP0422443A2 (en) 1991-04-17
EP0422443A3 true EP0422443A3 (en) 1992-06-24
EP0422443B1 EP0422443B1 (en) 1995-06-14

Family

ID=6391430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118382A Expired - Lifetime EP0422443B1 (en) 1989-10-13 1990-09-25 Multiplexer and demultiplexer, especially for information transmission networks with a synchronous hierarchy of digital signals

Country Status (6)

Country Link
US (1) US5091907A (en)
EP (1) EP0422443B1 (en)
AU (1) AU625889B2 (en)
CA (1) CA2027693C (en)
DE (2) DE3934248A1 (en)
ES (1) ES2076271T3 (en)

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US5287360A (en) * 1989-12-27 1994-02-15 Alcatel Cit Device for inserting information bits into a specific frame structure
JP2865782B2 (en) * 1990-03-16 1999-03-08 富士通株式会社 CODEC device for asynchronous transmission
FR2659813B1 (en) * 1990-03-19 1994-06-03 Cit Alcatel ELEMENTARY SWITCHING UNIT FOR BREWING EQUIPMENT OF MULTIPLEX DIGITAL TRAINS BY TIME MULTIPLEXING OF DIGITAL TRIBUTORS AT DIFFERENT RATES.
DE4035438A1 (en) * 1990-11-08 1992-05-14 Philips Patentverwaltung CIRCUIT ARRANGEMENT FOR REMOVING STOPBITS
JP2600496B2 (en) * 1990-12-20 1997-04-16 日本電気株式会社 Cell phase transfer circuit
US5638411A (en) * 1991-05-23 1997-06-10 Mitsubishi Denki Kabushiki Kaisha Stuff bit synchronization system
FR2680062A1 (en) * 1991-07-31 1993-02-05 Cit Alcatel Device for extracting binary information elements of a defined frame structure
DE4132518C2 (en) * 1991-09-30 1994-07-14 Siemens Ag Circuit arrangement for the transmission of digital message signals via a broadband communication system operating according to an asynchronous transfer mode
FI90297C (en) * 1992-04-02 1994-01-10 Nokia Telecommunications Oy Network interface procedure and network interface for a digital data network
US5715248A (en) * 1992-05-21 1998-02-03 Alcatel Network Systems, Inc. Derivation of VT group clock from SONET STS-1 payload clock and VT group bus definition
EP0573861B1 (en) * 1992-05-29 2000-08-30 Nec Corporation SDH radio communication system and transmitter/receiver equipment therefore
JP2682334B2 (en) * 1992-05-29 1997-11-26 日本電気株式会社 Image signal coding transmission method
FI90484C (en) * 1992-06-03 1999-08-11 Nokia Telecommunications Oy Method and apparatus for monitoring the level of elastic buffer memory utilization in a synchronous digital communication system
FI90486C (en) * 1992-06-03 1999-08-11 Nokia Telecommunications Oy Method and apparatus for implementing elastic buffering in a synchronous digital communication system
FI90485C (en) * 1992-06-03 1999-08-11 Nokia Telecommunications Oy A method for disassembling and forming pointer frame structures
US5327126A (en) * 1992-06-26 1994-07-05 Hewlett-Packard Company Apparatus for and method of parallel justifying and dejustifying data in accordance with a predetermined mapping
JPH06510416A (en) * 1992-06-29 1994-11-17 デイド、インターナショナル、インコーポレイテッド High speed time multiplexed data transmission system
DE4225181C1 (en) * 1992-07-30 1994-02-24 Ant Nachrichtentech Frame structuring device for digital transmission system - uses temporary memories of equal depth on transmission and reception side with multiplexer-demultiplexer control
US5285206A (en) * 1992-08-25 1994-02-08 Alcatel Network Systems, Inc. Phase detector for elastic store
DE4238090C1 (en) * 1992-11-11 1994-03-03 Siemens Ag Method and arrangement for recovering plesiochronous signals transmitted in function data blocks
FI93066C (en) * 1992-12-09 1995-02-10 Nokia Telecommunications Oy Multiplexes and demultiplexes
GB2277235B (en) * 1993-04-14 1998-01-07 Plessey Telecomm Apparatus and method for the digital transmission of data
FI94699C (en) * 1993-10-14 1995-10-10 Nokia Telecommunications Oy Method and circuit arrangement for generating a higher hierarchical level signal in a synchronous digital communication system
IT1265424B1 (en) * 1993-12-22 1996-11-22 Alcatel Italia METHOD AND CIRUITAL ARRANGEMENT FOR IMPLEMENTING THE FUNCTION OF HPA IN THE SDH EQUIPMENT
GB9405748D0 (en) * 1994-03-23 1994-05-11 Plessey Telecomm Complementary justification algorithm
DE4412060C1 (en) * 1994-04-07 1995-02-23 Siemens Ag Arrangement for recovering a plesiochronous digital signal
US5629958A (en) * 1994-07-08 1997-05-13 Zenith Electronics Corporation Data frame structure and synchronization system for digital television signal
DE4442506A1 (en) * 1994-11-30 1996-06-05 Sel Alcatel Ag Synchronization monitoring in a network
US5781597A (en) * 1995-02-16 1998-07-14 Alcatel Sel Aktiengesellschaft Synchronous digital transmission system having justification circuit that counts frame bytes, calculates offsets, compares thresholds, and initiates justification action
JPH09321723A (en) * 1996-05-30 1997-12-12 Fujitsu Ltd Uninterruptible line switching device and its method
ES2119707B1 (en) * 1996-11-19 1999-06-16 Telefonica Nacional Espana Co LINE INTERFACE CIRCUIT FOR WIDE BAND.
US6144325A (en) * 1996-12-20 2000-11-07 International Business Machines Corporation Register file array having a two-bit to four-bit encoder
KR100214020B1 (en) * 1997-05-10 1999-08-02 김영환 Mux and demux device having variable frame structure in digital communication
DE19722032A1 (en) * 1997-05-27 1998-12-10 Bosch Gmbh Robert Transmission system for STM-1 signals of sync. digital hierarchy
EP1001567A1 (en) * 1998-11-13 2000-05-17 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Combiner
DE10029063A1 (en) 2000-06-13 2002-01-03 Siemens Ag Method and arrangement for the transmission of at least one client signal within a server signal
FR2844652B1 (en) * 2002-09-18 2005-02-25 Sagem SYSTEM FOR TRANSMITTING A PLURALITY OF PLESOCHRONOUS FLOW TO A CENTRAL PROCESSING UNIT
US6826663B2 (en) * 2003-01-13 2004-11-30 Rambus Inc. Coded write masking
US8339298B1 (en) * 2010-08-26 2012-12-25 The United States Of America As Represented By The Secretary Of The Navy Synchronous demultiplexer circuit and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2301431A1 (en) * 1973-01-12 1974-07-18 Deutsche Bundespost METHOD FOR FRAME-SYNCHRONOUS TRANSMISSION OF SEVERAL CLOCK-SYNCHRONOUSLY RECEIVED INFORMATION FLOWS
EP0248551A2 (en) * 1986-05-29 1987-12-09 Nortel Networks Corporation Synchronization of asynchronous data signals

Family Cites Families (6)

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US4224473A (en) * 1978-05-31 1980-09-23 Digital Communications Corporation TDMA Multiplexer-demultiplexer with multiple ports
US4545052A (en) * 1984-01-26 1985-10-01 Northern Telecom Limited Data format converter
CA1209706A (en) * 1984-06-22 1986-08-12 Northern Telecom Limited Transmitting a digital signal and an additional signal
US4807221A (en) * 1984-11-27 1989-02-21 Siemens Aktiengesellschaft Digital signal multiplex device
JPH0626329B2 (en) * 1986-12-02 1994-04-06 日本電気株式会社 Staff synchronization circuit
GB8810948D0 (en) * 1988-05-09 1988-06-15 Plessey Telecomm Tdm data transmission system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2301431A1 (en) * 1973-01-12 1974-07-18 Deutsche Bundespost METHOD FOR FRAME-SYNCHRONOUS TRANSMISSION OF SEVERAL CLOCK-SYNCHRONOUSLY RECEIVED INFORMATION FLOWS
EP0248551A2 (en) * 1986-05-29 1987-12-09 Nortel Networks Corporation Synchronization of asynchronous data signals

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FREQUENZ. Bd. 32, Nr. 10, Oktober 1978, BERLIN DE Seiten 281 - 287; F. KÜHNE ET AL.: 'Positiv-Null-Negativ-Stopftechnik für die Multiplexübertragung plesiosynchroner Datensignale' *

Also Published As

Publication number Publication date
AU6453890A (en) 1991-04-18
EP0422443A2 (en) 1991-04-17
EP0422443B1 (en) 1995-06-14
ES2076271T3 (en) 1995-11-01
AU625889B2 (en) 1992-07-16
US5091907A (en) 1992-02-25
CA2027693C (en) 1994-11-08
DE3934248A1 (en) 1991-04-18
CA2027693A1 (en) 1991-04-14
DE59009233D1 (en) 1995-07-20

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